diff --git a/app/assets/javascripts/validation.js b/app/assets/javascripts/validation.js
index b815e265..b0769adf 100644
--- a/app/assets/javascripts/validation.js
+++ b/app/assets/javascripts/validation.js
@@ -1,5 +1,5 @@
 $(document).on('turbolinks:load', function() {
-  $(document).on('keypress', ':input:not(textarea):not([type=submit])', function(e) {
+  $(document).on('keypress', '.post :input:not(textarea):not([type=submit])', function(e) {
     if (e.keyCode == 13) {
       e.preventDefault();
       e.stopPropagation();
diff --git a/app/views/posts/_form.haml b/app/views/posts/_form.haml
index 770dd1d4..af641f3f 100644
--- a/app/views/posts/_form.haml
+++ b/app/views/posts/_form.haml
@@ -21,7 +21,7 @@
   = render 'layouts/help', help: CommonMarker.render_doc(pre).to_html
 = form_tag url,
   method: method,
-  class: "form #{@invalid ? 'was-validated' : ''}",
+  class: "form post #{@invalid ? 'was-validated' : ''}",
   novalidate: true,
   multipart: true do